1
1.Servicing the CDR631
1.1 INTRODUCTION:
The CDR631is the professional version of a CD recorder, this means that the SCMS (Serial Copy Management System) is
not included. The CDR631can record on the Audio and CDRs PC.
The CDR631is suitable for recording and playback of CD-R W discs (CD-Re Writable disc).
1.2 OPENING THE PRODUCT:
The product can be opened by removing the top cover (8 screws). Once the product is opened one can have access to the
several PCB's and the main module. To have access to the Display PCB, the Headphone PCB first the front cover has to
be removed.
Below the several PCB's and it function and service policy will be discussed:
Consumer : For Digital Audio
Professional : For General use (Including PC)
P : Playback
R : Recording
Playback & Recording and Disc
Disc
Player/Recorder
CD
CDR
CD-RW
SCMS
Consumer Disc
Consumer Disc
Professional Disc
Professional Disc
Finalized
Finalized
non
Finalized
non
Finalized
non
Finalized
non
Finalized
Finalized Finalized
Audio CD Player
Current products Ex:CD-17
Audio CD Player
CD-RW playback Ex:CD-17MK II
CD-RW Recorder
For Professional Ex:CDR630/631/640
CD-RW Recorder
For Consumer Ex:DR6000/6050
PP no P no no no no no -
PP no P no P no P no -
P P P/R P P/R P/R P/R P/R P/R no
P P P/R PPPP P/R P/R YES
CDR LOADER
SWITCHING POWER
SUPPLY BOARD
AUDIO
BOARD
DISPLAY BOARD
HEAD
PHONE
BOARD
MOTER
BOARD